Warning Sirens Information

Warning Sirens and System Testing

The Outdoor Warning System consists of eight warning sirens within the Sachse city limits. These sirens are activated primarily due to storms however, other situations include but may not be limited to:

natural emergencies

transportation accidents involving hazardous materials

emergencies at fixed facilities

acts of terrorism

other catastrophic events in which the community needs to be informed immediately

System Tests

The system is tested the first Saturday* of each month. Each audible test will include approximately 30 seconds of audible siren sound.
*In case of inclement weather, the siren test will be cancelled.

Warning System Activation Guidelines

The warning system will be activated when:

National Weather Service (NWS) issues a Tornado Warning or Severe Thunderstorm Warning with the phrase "destructive winds in excess of 70+ mph are likely with this storm" for Sachse.

NWS or trained storm spotters have reported a tornado with the potential to affect Sachse.

Hail of 1.25 inches in diameter is imminent.

Deemed necessary by Sachse officials (i.e. in the event of any emergency when officials need to get citizens to move indoors for their safety).